135 lines
2.8 KiB
C
135 lines
2.8 KiB
C
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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ntos\tdi\isn\fwd\netbios.h
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Abstract:
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Netbios packet processing
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Author:
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Vadim Eydelman
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Revision History:
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--*/
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#ifndef IPXFWD_NETBIOS
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#define IPXFWD_NETBIOS
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extern LIST_ENTRY NetbiosQueue;
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extern KSPIN_LOCK NetbiosQueueLock;
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extern WORK_QUEUE_ITEM NetbiosWorker;
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extern BOOLEAN NetbiosWorkerScheduled;
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extern ULONG NetbiosPacketsQuota;
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extern ULONG MaxNetbiosPacketsQueued;
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#define DEF_MAX_NETBIOS_PACKETS_QUEUED 256
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/*++
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*******************************************************************
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I n i t i a l i z e N e t b i o s Q u e u e
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Routine Description:
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Initializes the netbios bradcast queue
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Arguments:
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None
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Return Value:
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None
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*******************************************************************
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--*/
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//VOID
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//InitializeNetbiosQueue (
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// void
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// )
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#define InitializeNetbiosQueue() { \
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InitializeListHead (&NetbiosQueue); \
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KeInitializeSpinLock (&NetbiosQueueLock); \
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ExInitializeWorkItem (&NetbiosWorker, &ProcessNetbiosQueue, NULL);\
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NetbiosWorkerScheduled = FALSE; \
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NetbiosPacketsQuota = MaxNetbiosPacketsQueued; \
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}
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/*++
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*******************************************************************
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D e l e t e N e t b i o s Q u e u e
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Routine Description:
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Deletes the netbios bradcast queue
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Arguments:
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None
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Return Value:
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None
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*******************************************************************
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--*/
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VOID
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DeleteNetbiosQueue (
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void
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);
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/*++
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*******************************************************************
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P r o c e s s N e t b i o s Q u e u e
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Routine Description:
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Process packets in the netbios bradcast queue
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Arguments:
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Context - unused
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Return Value:
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None
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*******************************************************************
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--*/
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VOID
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ProcessNetbiosQueue (
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PVOID Context
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);
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/*++
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*******************************************************************
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P r o c e s s N e t b i o s P a c k e t
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Routine Description:
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Processes received netbios broadcast packet
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Arguments:
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None
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Return Value:
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None
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*******************************************************************
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--*/
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VOID
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ProcessNetbiosPacket (
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PINTERFACE_CB srcIf,
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PPACKET_TAG pktTag
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);
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#define QueueNetbiosPacket(pktTag) { \
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KIRQL oldIRQL; \
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KeAcquireSpinLock (&NetbiosQueueLock, &oldIRQL); \
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InsertTailList (&NetbiosQueue, &pktTag->PT_QueueLink); \
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KeReleaseSpinLock (&NetbiosQueueLock, oldIRQL); \
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}
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#define ScheduleNetbiosWorker() { \
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KIRQL oldIRQL; \
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KeAcquireSpinLock (&NetbiosQueueLock, &oldIRQL); \
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if (!NetbiosWorkerScheduled \
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&& !IsListEmpty (&NetbiosQueue) \
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&& EnterForwarder ()) { \
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NetbiosWorkerScheduled = TRUE; \
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ExQueueWorkItem (&NetbiosWorker, DelayedWorkQueue); \
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} \
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KeReleaseSpinLock (&NetbiosQueueLock, oldIRQL); \
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}
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#endif
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